Finding the Fourth Proportional to 12,173.25, 16,783.86 and 10,159.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,173.25 : 16,783.86 = 10,159.56 : x
2. Step 2: Convert to fraction form
   12,173.25/16,783.86 = 10,159.56/x
3. Step 3: Cross multiply
   12,173.25x = 16,783.86 × 10,159.56
4. Step 4: Simplify right side
   12,173.25x = 170,516,632.70
5. Step 5: Solve for x
   x = 170,516,632.70/12,173.25
6. Step 6: Final answer
   x = 14,007.49